Re: Joins within a table

Steve Lefevre <lefevre.10@osu.edu> writes:
> I'm trying to do a JOIN within a table. In MySQL, I would do

> SELECT  main_table.field, join_table.field
> FROM main_table
> LEFT JOIN main_table AS join_table ON join_table.id = main_table.parent_id

Yeah, that's the same way you'd do a self-join in Postgres.

> However, in the Postgres documentation, I don't see anything on JOIN AS.

Where did you look?  Maybe you are confusing the alias clause with the
join clause --- they are two different constructs.

            regards, tom lane